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Editorial Reviews
Children's Literature
The number is dialed and someone (or their answering machine) answers. How does this work? It works with millions of miles of cables, wires and hair-thin fibers. What do the digits in our telephone numbers mean? What does the cell in the term cell phone mean? When the phone rings it might seem magical that we are connected to someone across town or in another state. This book gives young readers clear explanations that match questions they have about how telephones work. This is one of four books for primary readers in a series titled "Let's See." The books explain kinds of electronic communication devices with which young...